Circularly polarized high-power antenna with higher-order mode excitation

被引：5

作者：

Yadav, Swati Varun ^{[1
]}

Chittora, Ashish ^{[1
]}

机构：

[1] BITS Pilani, Elect & Elect Engn Dept, KK Biria Goa Campus, Sancoale 403726, Goa, India

来源：

INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES | 2022年 / 14卷 / 04期

关键词：

High power antenna; circular polarization; higher mode excitation; mode conversion; DESIGN;

D O I：

10.1017/S1759078721000611

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A circularly polarized high-power antenna with higher-order mode excitation (TM01) is presented in this paper. The proposed structure consists of metal plates placed on the conical horn antenna's aperture for achieving TM01 to circular polarized TE11 mode conversion at the output. The structure is simulated on CST Microwave Studio. The designed antenna exhibits high gain and a directive radiation pattern. The axial ratio of the proposed structure is below 3 dB. The simulated and measured reflection coefficient for TM01 mode excitation is below -10 dB over a frequency range of 2.95-3.13 GHz. The structure is purely metallic, and the calculated high-power microwave (HPM) capability is up to the MW level. The proposed antenna is helpful for portable HPM systems.

引用

页码：477 / 481

页数：5

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